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SERS News
SERS-Based Nanosensor Detects Pesticides on Fruit
SOLNA, Sweden, June 13, 2022 — Researchers at the Karolinska Institutet in Sweden developed a nanosensor based on surface-enhanced Raman spectroscopy or scattering (SERS). The proof-of-concept method uses flame-sprayed silver nanoparticles to increase the signal of chemicals. SERS can be used to increase the diagnostic signals of biomolecules on a metal surface by more than 1 million times. It has been used in chemical and environmental analysis to detect biomarkers for various diseases. High production costs and
Raman Spectroscopy’s Signals and Future Continue to Get Brighter
First introduced nearly a century ago, Raman spectroscopy and imaging methods continue to evolve through the development of new technologies and techniques. Spurred by the passage of state legislation last fall, the Southern California Coastal Water Research Project issued a methodology for monitoring microplastics in drinking water. The California regulation was the first of its kind in the U.S. to...
Spectroscopy Method Could Raise Number of Viable Donor Kidneys
WASHINGTON, D.C., Jan. 14, 2022 — Researchers at the University of Shanghai for Science and Technology and the Changhai Hospital of Shanghai used label-free surface-enhanced Raman scattering (SERS) spectroscopy to quantitatively assess donor kidney quality, reportedly for the first...
Spectroscopist Roy Goodacre Honored with Charles Mann Award
PROVIDENCE, R.I., Oct. 1, 2021 — The Federation of Analytical Chemistry and Spectroscopy Societies (FACSS) named Roy Goodacre this year’s Charles Mann Award winner for achievements in the field of applied Raman spectroscopy. The announcement was made at the SCIX 2021...
SERS Chip Senses Near the Quantum Limit
BUFFALO, N.Y., Jan. 13, 2021 — University at Buffalo researchers have developed a chemical sensing chip that boasts a range of potential applications, from the detection of illicit substances and dangerous materials, to counterfeit prevention. The chip, which relies on...
Raman Holography Has Implications for Live Cell, Tissue Interrogation
CASTELLDEFELS, Spain, Dec. 16, 2020 — Researchers from the Institute of Photonic Sciences (ICFO) have successfully demonstrated holographic Raman microscopy. The technology is poised to support wide-ranging applications, from live cell and tissue interrogation to, potentially,...
Engineers Adapt 2D 'Sandwich' for Surface-Enhanced Raman Spectroscopy
HOUSTON, May 18, 2020 — Tests at Rice University’s Brown School of Engineering of a two-dimensional Janus compound showed it could be an effective and universal platform for improving the detection of biomolecules via surface-enhanced Raman spectroscopy (SERS)....
SERS-Based Sensor Detects Toxins at Ultralow Concentrations
TOMSK, Russia, and PRAGUE. July 31, 2017 — A chemical sensor equipped with organic chemical compounds could provide selective, reproducible detection of heavy metal ions quickly and in miniscule amounts. The sensor is based on a plasmon-polariton Surface-Enhanced Raman Spectroscopy (SERS)...
Integrated Optics to Sell Ato ID’s SERS Substrates
VILNIUS, Lithuania, March 9, 2016 — Disposable surface-enhanced Raman spectroscopy (SERS) substrate manufacturer Ato ID has appointed its parent company Integrated Optics as an exclusive sales channel. Ato ID's Randa S and Mato S SERS substrates. Courtesy of Ato ID. Citing the need to...
Theory: Increasing Vibrations Makes SERS More Powerful
LAUSANNE, Switzerland, Nov. 25, 2015 — Surface-enhanced Raman scattering (SERS) could become an even more powerful tool for probing single molecules if those molecules can be made to vibrate more, a theoretical model suggests. SERS is used to identify individual molecules based on their...
Antennas Enable Nanoscale Terahertz Spectroscopy
QUEBEC CITY, Feb. 3, 2015 — Tiny antennas could bring the power of terahertz spectroscopy to bear on large molecules and other nanoscale objects. Nanoantenna-enhanced terahertz spectroscopy (NETS) involves chains of dipole nanoantennas spaced about 20 nm apart. The technique...
Handheld Scanner Roots Out Brain Tumor Traces
NEW YORK, Sept. 5, 2014 — A new Raman laser scanner could help surgeons more effectively remove cancerous brain tumors.
SERS Advances Noninvasive Prostate Cancer Screening
GUANGDONG, China, Sept. 3, 2014 — SERS spectroscopy could provide a noninvasive way to screen for prostate cancer. A team from Guangdong Medical College used SERS, as well as a spectral data processing algorithm called support vector machine (SVM), to identify the cases of prostate...
Raman Scattering Measures Single-Molecule Vibrations
IRVINE, Calif., Aug. 21, 2014 — Measurement of the vibrations, or “breathing,” of single molecules is now possible using Raman spectroscopy techniques. A team from the University of California, Irvine, viewed a bipyridylethylene (BPE) molecule vibrating via...
Team Bridges Nanocatalyst Size Gap for Real-Time Data
COLUMBIA, S.C., and HOUSTON, June 9, 2014 — Obtaining real-time reaction information from nanocatalysts has long impeded attempts to describe them in detailed kinetic behavior. But a team from the University of South Carolina and Rice University has discovered just how to do it. The...
Roll-to-Roll Nano Sensors Enhance Manufacturing Opportunities
ESPOO, Finland, Feb. 7, 2014 — Roll-to-roll mass manufacturing is a key technology in low-cost disposable photonic sensor production, which could pave the way for new business and job opportunities, particularly for small and medium enterprises. Photosens, a European consortium...
Spaghettilike surface makes stronger SERS sensor
ZURICH, and LIVERMORE, Calif. – Spaghettilike arrays of gold-coated metallic carbon nanotubes can amplify the signals of surface-enhanced Raman spectroscopy (SERS) enough to perform analyses that are more reliable, sensitive and cost-effective. Previously, the detection limit of...
Grant Funds Photon Control’s Raman Research
BURNABY, British Columbia, Oct. 15, 2013 — Photon Control R&D Ltd., the research and development partner of optical sensors maker Photon Control Inc., has received an Engage grant from the Natural Sciences & Engineering Research Council of Canada (NSERCC) to collaborate with Dr....
Raman Overcomes Challenges for Industry
Sep 1, 2013 — Raman spectroscopy is becoming increasingly prevalent in commercial applications. Challenges include making remote measurements of chemical species in high-pressure or high-temperature environments while customers demand compact instrumentation with...
Spaghetti-like Surface Makes Stronger SERS Sensor
ZURICH & LIVERMORE, Calif., Aug. 30, 2013 — An innovative plasmonic sensor amplifies the signals of surface-enhanced Raman spectroscopy (SERS) using a novel substrate based on carbon nanotubes with metal-coated tips. Scientists at ETH Zurich and the Lawrence Livermore National Laboratory...
Hybrid Fabrication Makes Better Plasmonic Nanostructures for SERS
Aug 1, 2013 — Monolithic hierarchical plasmonic nanostructures improve results from surface-enhanced Raman spectroscopy. Plasmonic nanostructures of gold and silver have emerged as attractive nanomaterials because of their small size, corrosion resistance,...
SERS, Nanoprobes Seek to Detect Infections Early
DURHAM, N.C., June 21, 2013 — Nanoprobes used in conjunction with surface-enhanced Raman scattering (SERS) can be used to reveal a specific molecular marker’s optical fingerprint. The work is a proof-of-principle approach to using light to detect infections before patients...
Optical Sensors Watch What We Eat
Jun 1, 2013 — Optics technologies are advancing food safety applications. Natural pathogens. Food fraud and adulteration. Bioterrorism. Food safety is more of a concern today than it’s ever been before. Because the path from producer to consumer is...
Tiny probes dramatically boost Raman signals
ST. LOUIS – Novel gold nanoparticles can goose the signal from Raman reporters, or molecules whose jiggling atoms respond to a probe laser by scattering light at characteristic wavelengths. The discovery could lead to better-targeted drug delivery and deeper...
Tiny Probes Dramatically Boost Raman Signals
ST. LOUIS, Nov. 26, 2012 — Novel gold nanoparticles can goose the signal from Raman reporters, or molecules whose jiggling atoms respond to a probe laser by scattering light at characteristic wavelengths. The discovery could lead to better-targeted drug delivery and deeper...
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May 2024
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